French Emperor Emirate of Diriyah Patent 1727-1818 regime › FrenchHajr (Pre-Islamic to 16th century): Before the name "Riyadh" was used, the settlement at the site was known as Hajr al-Yamamah FrenchHajr (Pre-Islamic to 16th century): Before the name "Riyadh" was used, the settlement at the site was known as Hajr al-Yamamah $0.00 Add To Cart Added!